 each round that the imbiber of this potion is under any kind of stress e g combat fear exertion etc he or she must save vs poison or fall asleep for 2-20 rounds this makes the effect of the potion very insidious; the victim might seem totally unaffected for a number of turns then suddenly fall asleep at the first onset of danger note that this effect can occur an unlimited number of times during the potion potion's duration which is 1d6 10 turns xp 100 category potions and oils 